Re: floating point optimization by function

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Simon West <simon.west@xxxxxxxxxx> writes:

> Could anyone tell me if there is a GCC equivalent of the pragmas used
> to control floating point arithmetic on a function-by-function basis
> in Microsoft Visual C++? (the pragmas are described here:
> http://msdn.microsoft.com/en-us/library/aa289157%28v=vs.71%29.aspx#floapoint_topic7
> )
>
> Specifically, I have a function for which I need to guarantee that no
> associative arithmetic optimizations are performed, i.e., I need to force
> -fno-associative-math to be used, but only around this particular function.

int f() __attribute__ ((optimize ("fno-associative-math")));
int f() { ... }

Ian


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